HT3910 a blue screen appears at the start up

When I start my macbookpro a blue screen appears and stays. Nothing further happens ; can anyone help please?

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you boot, and again when you log in.
Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to boot and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal boot may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, reboot as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

Similar Messages

  • There is always a blue screen appears after the Apple logo during the booting process. And then everything is back to normal. What is this thing? Is there something wrong with my screen or something?

    There is always a blue screen appears after the Apple logo during the booting process. And then everything is back to normal. What is this thing? Is there something wrong with my screen or something?

    Nah - that's just the normal boot process.
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    Hi. My first post - I've looked at other blue screen posts on here, but mines I think might be simplier to identify compared to other ones I seen involving flickering off the apple menus etc. (fingers crossed)
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    I solved the problem yesterday (well a friend of mine did)
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  • Blue screen appears during start up

    Hi! My macbook before it bacame a blue screen, shows that the start up disk is almost full but i ignored it...and then suddenly it doesn't start up anymore and shows only blue screen with arrow...pls help! I don't know much about computers! :(

    Boot up in Safe Mode.
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    A Safe Mode boot takes much longer than a normal boot so be patient.
    Once you are in Safe Mode, you need to delete data in order to free up disk space, ie., photos, video, etc.
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    Hi there
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    Bug Check 0x7F: UNEXPECTED_KERNEL_MODE_TRAP
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    ==================================================
    Dump File         : Mini020812-03.dmp
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    Bug Check Code    : 0x1000007f
    Parameter 1       : 0x00000008
    Parameter 2       : 0x80042000
    Parameter 3       : 0x00000000
    Parameter 4       : 0x00000000
    Caused By Driver  : ntoskrnl.exe
    Caused By Address : ntoskrnl.exe+64bfa
    File Description  :
    Product Name      :
    Company           :
    File Version      :
    Processor         : 32-bit
    Computer Name     :
    Full Path         : C:\Test\Mini020812-03.dmp
    Processors Count  : 2
    Major Version     : 15
    Minor Version     : 2600
    ==================================================
    ==================================================
    Dump File         : Mini020712-02.dmp
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    Bug Check Code    : 0x1000007f
    Parameter 1       : 0x00000008
    Parameter 2       : 0xb9b38d70
    Parameter 3       : 0x00000000
    Parameter 4       : 0x00000000
    Caused By Driver  : ntoskrnl.exe
    Caused By Address : ntoskrnl.exe+64bfa
    File Description  :
    Product Name      :
    Company           :
    File Version      :
    Processor         : 32-bit
    Computer Name     :
    Full Path         : C:\Test\Mini020712-02.dmp
    Processors Count  : 2
    Major Version     : 15
    Minor Version     : 2600
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    kernel
    AppleACPICPU: ProcessorId=3 LocalApicId=4 Enabled
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    kernel
    AppleACPICPU: ProcessorId=4 LocalApicId=6 Enabled
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    calling mpo_policy_init for Quarantine
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    Security policy loaded: Quarantine policy (Quarantine)
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    kernel
    Copyright (c) 1982, 1986, 1989, 1991, 1993
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    kernel
    The Regents of the University of California. All rights reserved.
    2/19/12 8:40:06.000 PM
    kernel
    MAC Framework successfully initialized

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